.TH "SoTextureCombine" 3 "Tue Dec 26 2023 17:59:22" "Version 4.0.2" "Coin" \" -*- nroff -*-
.ad l
.nh
.SH NAME
SoTextureCombine \- The \fBSoTextureCombine\fP class is a node for setting texture combine functions\&.  

.SH SYNOPSIS
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.PP
.PP
\fC#include <Inventor/nodes/SoTextureCombine\&.h>\fP
.PP
Inherits \fBSoNode\fP\&.
.SS "Public Types"

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.RI "enum \fBSource\fP { \fBPRIMARY_COLOR\fP = SoTextureCombineElement::PRIMARY_COLOR, \fBTEXTURE\fP = SoTextureCombineElement::TEXTURE, \fBCONSTANT\fP = SoTextureCombineElement::CONSTANT, \fBPREVIOUS\fP = SoTextureCombineElement::PREVIOUS }"
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.RI "enum \fBOperand\fP { \fBSRC_COLOR\fP = SoTextureCombineElement::SRC_COLOR, \fBONE_MINUS_SRC_COLOR\fP = SoTextureCombineElement::ONE_MINUS_SRC_COLOR, \fBSRC_ALPHA\fP = SoTextureCombineElement::SRC_ALPHA, \fBONE_MINUS_SRC_ALPHA\fP = SoTextureCombineElement::ONE_MINUS_SRC_ALPHA }"
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.RI "enum \fBOperation\fP { \fBREPLACE\fP = SoTextureCombineElement::REPLACE, \fBMODULATE\fP = SoTextureCombineElement::MODULATE, \fBADD\fP = SoTextureCombineElement::ADD, \fBADD_SIGNED\fP = SoTextureCombineElement::ADD_SIGNED, \fBSUBTRACT\fP = SoTextureCombineElement::SUBTRACT, \fBINTERPOLATE\fP = SoTextureCombineElement::INTERPOLATE, \fBDOT3_RGB\fP = SoTextureCombineElement::DOT3_RGB, \fBDOT3_RGBA\fP = SoTextureCombineElement::DOT3_RGBA }"
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Public Types inherited from \fBSoNode\fP
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.RI "enum \fBNodeType\fP { \fBINVENTOR\fP = 0x0000, \fBVRML1\fP = 0x0001, \fBVRML2\fP = 0x0002, \fBINVENTOR_1\fP = 0x0004, \fBINVENTOR_2_0\fP = 0x0008, \fBINVENTOR_2_1\fP = 0x0010, \fBINVENTOR_2_5\fP = 0x0020, \fBINVENTOR_2_6\fP = 0x0040, \fBCOIN_1_0\fP = 0x0080, \fBCOIN_2_0\fP = 0x0100, \fBEXTENSION\fP = 0x0200, \fBCOIN_2_2\fP = 0x0400, \fBCOIN_2_3\fP = 0x0800, \fBCOIN_2_4\fP = 0x1000, \fBINVENTOR_5_0\fP = 0x2000, \fBCOIN_2_5\fP = 0x4000, \fBCOIN_3_0\fP = 0x8000, \fBINVENTOR_6_0\fP = 0x10000, \fBCOIN_4_0\fP = 0x20000 }"
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.SS "Public Member Functions"

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.RI "\fBvirtual\fP \fBSoType\fP \fBgetTypeId\fP (\fBvoid\fP) \fBconst\fP"
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.RI "\fBSoTextureCombine\fP (\fBvoid\fP)"
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.RI "\fBvirtual\fP \fBvoid\fP \fBdoAction\fP (\fBSoAction\fP *action)"
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.RI "\fBvirtual\fP \fBvoid\fP \fBcallback\fP (\fBSoCallbackAction\fP *action)"
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.RI "\fBvirtual\fP \fBvoid\fP \fBGLRender\fP (\fBSoGLRenderAction\fP *action)"
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.RI "\fBvirtual\fP \fBvoid\fP \fBpick\fP (\fBSoPickAction\fP *action)"
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Public Member Functions inherited from \fBSoNode\fP
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.RI "\fBvoid\fP \fBsetOverride\fP (\fBconst\fP SbBool state)"
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.RI "SbBool \fBisOverride\fP (\fBvoid\fP) \fBconst\fP"
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.RI "\fBvoid\fP \fBsetNodeType\fP (\fBconst\fP \fBNodeType\fP type)"
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.RI "\fBNodeType\fP \fBgetNodeType\fP (\fBvoid\fP) \fBconst\fP"
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.RI "\fBvirtual\fP \fBSoNode\fP * \fBcopy\fP (SbBool \fBcopyconnections\fP=FALSE) \fBconst\fP"
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.RI "\fBvirtual\fP SbBool \fBaffectsState\fP (\fBvoid\fP) \fBconst\fP"
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.RI "\fBvirtual\fP \fBvoid\fP \fBGLRenderBelowPath\fP (\fBSoGLRenderAction\fP *action)"
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.RI "\fBvirtual\fP \fBvoid\fP \fBGLRenderInPath\fP (\fBSoGLRenderAction\fP *action)"
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.RI "\fBvirtual\fP \fBvoid\fP \fBGLRenderOffPath\fP (\fBSoGLRenderAction\fP *action)"
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.RI "\fBvirtual\fP \fBvoid\fP \fBgetBoundingBox\fP (\fBSoGetBoundingBoxAction\fP *action)"
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.RI "\fBvirtual\fP \fBvoid\fP \fBgetMatrix\fP (\fBSoGetMatrixAction\fP *action)"
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.RI "\fBvirtual\fP \fBvoid\fP \fBhandleEvent\fP (\fBSoHandleEventAction\fP *action)"
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.RI "\fBvirtual\fP \fBvoid\fP \fBrayPick\fP (\fBSoRayPickAction\fP *action)"
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.RI "\fBvirtual\fP \fBvoid\fP \fBsearch\fP (\fBSoSearchAction\fP *action)"
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.RI "\fBvirtual\fP \fBvoid\fP \fBwrite\fP (\fBSoWriteAction\fP *action)"
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.RI "\fBvirtual\fP \fBvoid\fP \fBaudioRender\fP (\fBSoAudioRenderAction\fP *action)"
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.RI "\fBvirtual\fP \fBvoid\fP \fBgetPrimitiveCount\fP (\fBSoGetPrimitiveCountAction\fP *action)"
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.RI "\fBvirtual\fP \fBvoid\fP \fBgrabEventsSetup\fP (\fBvoid\fP)"
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.RI "\fBvirtual\fP \fBvoid\fP \fBgrabEventsCleanup\fP (\fBvoid\fP)"
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.RI "\fBvirtual\fP \fBvoid\fP \fBstartNotify\fP (\fBvoid\fP)"
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.RI "\fBvirtual\fP \fBvoid\fP \fBnotify\fP (\fBSoNotList\fP *\fBl\fP)"
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.RI "SbUniqueId \fBgetNodeId\fP (\fBvoid\fP) \fBconst\fP"
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.RI "\fBvirtual\fP \fBSoChildList\fP * \fBgetChildren\fP (\fBvoid\fP) \fBconst\fP"
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.RI "\fBvirtual\fP \fBvoid\fP \fBwriteInstance\fP (\fBSoOutput\fP *\fBout\fP)"
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.RI "\fBvirtual\fP \fBSoNode\fP * \fBaddToCopyDict\fP (\fBvoid\fP) \fBconst\fP"
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.RI "\fBvirtual\fP \fBvoid\fP \fBcopyContents\fP (\fBconst\fP \fBSoFieldContainer\fP *from, SbBool \fBcopyconnections\fP)"
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.RI "\fBvirtual\fP \fBSoFieldContainer\fP * \fBcopyThroughConnection\fP (\fBvoid\fP) \fBconst\fP"
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Public Member Functions inherited from \fBSoFieldContainer\fP
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.RI "\fBvoid\fP \fBsetToDefaults\fP (\fBvoid\fP)"
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.RI "SbBool \fBhasDefaultValues\fP (\fBvoid\fP) \fBconst\fP"
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.RI "SbBool \fBfieldsAreEqual\fP (\fBconst\fP \fBSoFieldContainer\fP *container) \fBconst\fP"
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.RI "\fBvoid\fP \fBcopyFieldValues\fP (\fBconst\fP \fBSoFieldContainer\fP *container, SbBool \fBcopyconnections\fP=FALSE)"
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.RI "SbBool \fBset\fP (\fBconst\fP char *\fBconst\fP fielddata)"
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.RI "\fBvoid\fP \fBget\fP (\fBSbString\fP &fielddata)"
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.RI "\fBvirtual\fP int \fBgetFields\fP (\fBSoFieldList\fP &\fBl\fP) \fBconst\fP"
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.RI "\fBvirtual\fP int \fBgetAllFields\fP (\fBSoFieldList\fP &\fBl\fP) \fBconst\fP"
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.RI "\fBvirtual\fP \fBSoField\fP * \fBgetField\fP (\fBconst\fP \fBSbName\fP &name) \fBconst\fP"
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.RI "\fBvirtual\fP \fBSoField\fP * \fBgetEventIn\fP (\fBconst\fP \fBSbName\fP &name) \fBconst\fP"
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.RI "\fBvirtual\fP \fBSoField\fP * \fBgetEventOut\fP (\fBconst\fP \fBSbName\fP &name) \fBconst\fP"
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.RI "SbBool \fBgetFieldName\fP (\fBconst\fP \fBSoField\fP *\fBconst\fP \fBfield\fP, \fBSbName\fP &name) \fBconst\fP"
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.RI "SbBool \fBenableNotify\fP (\fBconst\fP SbBool \fBflag\fP)"
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.RI "SbBool \fBisNotifyEnabled\fP (\fBvoid\fP) \fBconst\fP"
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.RI "SbBool \fBset\fP (\fBconst\fP char *fielddata, \fBSoInput\fP *input)"
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.RI "\fBvoid\fP \fBget\fP (\fBSbString\fP &fielddata, \fBSoOutput\fP *\fBout\fP)"
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.RI "\fBvirtual\fP SbBool \fBvalidateNewFieldValue\fP (\fBSoField\fP *\fBfield\fP, \fBvoid\fP *\fBnewval\fP)"
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.RI "\fBvirtual\fP \fBvoid\fP \fBaddWriteReference\fP (\fBSoOutput\fP *\fBout\fP, SbBool \fBisfromfield\fP=FALSE)"
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.RI "SbBool \fBgetIsBuiltIn\fP (\fBvoid\fP) \fBconst\fP"
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.RI "\fBvirtual\fP \fBvoid\fP \fBgetFieldsMemorySize\fP (size_t &\fBmanaged\fP, size_t &\fBunmanaged\fP) \fBconst\fP"
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.RI "\fBvoid\fP \fBsetUserData\fP (\fBvoid\fP *userdata) \fBconst\fP"
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.RI "\fBvoid\fP * \fBgetUserData\fP (\fBvoid\fP) \fBconst\fP"
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Public Member Functions inherited from \fBSoBase\fP
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.RI "\fBvoid\fP \fBref\fP (\fBvoid\fP) \fBconst\fP"
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.RI "\fBvoid\fP \fBunref\fP (\fBvoid\fP) \fBconst\fP"
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.RI "\fBvoid\fP \fBunrefNoDelete\fP (\fBvoid\fP) \fBconst\fP"
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.RI "int32_t \fBgetRefCount\fP (\fBvoid\fP) \fBconst\fP"
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.RI "\fBvoid\fP \fBtouch\fP (\fBvoid\fP)"
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.RI "SbBool \fBisOfType\fP (\fBSoType\fP type) \fBconst\fP"
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.RI "Returns \fCTRUE\fP if the type of this object is either of the same type or inherited from \fItype\fP\&. "
.ti -1c
.RI "\fBvirtual\fP \fBSbName\fP \fBgetName\fP (\fBvoid\fP) \fBconst\fP"
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.RI "\fBvirtual\fP \fBvoid\fP \fBsetName\fP (\fBconst\fP \fBSbName\fP &\fBnewname\fP)"
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.RI "\fBvoid\fP \fBaddAuditor\fP (\fBvoid\fP *\fBconst\fP \fBauditor\fP, \fBconst\fP \fBSoNotRec::Type\fP type)"
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.RI "\fBvoid\fP \fBremoveAuditor\fP (\fBvoid\fP *\fBconst\fP \fBauditor\fP, \fBconst\fP \fBSoNotRec::Type\fP type)"
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.RI "\fBconst\fP \fBSoAuditorList\fP & \fBgetAuditors\fP (\fBvoid\fP) \fBconst\fP"
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.RI "SbBool \fBshouldWrite\fP (\fBvoid\fP)"
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.RI "\fBvoid\fP \fBassertAlive\fP (\fBvoid\fP) \fBconst\fP"
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.SS "Static Public Member Functions"

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.RI "\fBstatic\fP \fBSoType\fP \fBgetClassTypeId\fP (\fBvoid\fP)"
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.RI "\fBstatic\fP \fBvoid\fP \fBinitClass\fP (\fBvoid\fP)"
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.RI "Sets up initialization for data common to all instances of this class, like submitting necessary information to the Coin type system\&.   "
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Static Public Member Functions inherited from \fBSoNode\fP
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.RI "\fBstatic\fP uint32_t \fBgetCompatibilityTypes\fP (\fBconst\fP \fBSoType\fP &nodetype)"
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.RI "\fBstatic\fP \fBSoType\fP \fBgetClassTypeId\fP (\fBvoid\fP)"
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.RI "\fBstatic\fP \fBSoNode\fP * \fBgetByName\fP (\fBconst\fP \fBSbName\fP &name)"
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.RI "\fBstatic\fP int \fBgetByName\fP (\fBconst\fP \fBSbName\fP &name, \fBSoNodeList\fP &\fBl\fP)"
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.RI "\fBstatic\fP \fBvoid\fP \fBinitClass\fP (\fBvoid\fP)"
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.RI "Sets up initialization for data common to all instances of this class, like submitting necessary information to the Coin type system\&.   "
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.RI "\fBstatic\fP \fBvoid\fP \fBinitClasses\fP (\fBvoid\fP)"
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.RI "\fBstatic\fP SbUniqueId \fBgetNextNodeId\fP (\fBvoid\fP)"
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.RI "\fBstatic\fP int \fBgetActionMethodIndex\fP (\fBconst\fP \fBSoType\fP type)"
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.RI "\fBstatic\fP \fBvoid\fP \fBgetBoundingBoxS\fP (\fBSoAction\fP *action, \fBSoNode\fP *node)"
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.RI "\fBstatic\fP \fBvoid\fP \fBGLRenderS\fP (\fBSoAction\fP *action, \fBSoNode\fP *node)"
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.RI "\fBstatic\fP \fBvoid\fP \fBcallbackS\fP (\fBSoAction\fP *action, \fBSoNode\fP *node)"
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.RI "\fBstatic\fP \fBvoid\fP \fBgetMatrixS\fP (\fBSoAction\fP *action, \fBSoNode\fP *node)"
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.RI "\fBstatic\fP \fBvoid\fP \fBhandleEventS\fP (\fBSoAction\fP *action, \fBSoNode\fP *node)"
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.RI "\fBstatic\fP \fBvoid\fP \fBpickS\fP (\fBSoAction\fP *action, \fBSoNode\fP *node)"
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.RI "\fBstatic\fP \fBvoid\fP \fBrayPickS\fP (\fBSoAction\fP *action, \fBSoNode\fP *node)"
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.RI "\fBstatic\fP \fBvoid\fP \fBsearchS\fP (\fBSoAction\fP *action, \fBSoNode\fP *node)"
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.RI "\fBstatic\fP \fBvoid\fP \fBwriteS\fP (\fBSoAction\fP *action, \fBSoNode\fP *node)"
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.RI "\fBstatic\fP \fBvoid\fP \fBaudioRenderS\fP (\fBSoAction\fP *action, \fBSoNode\fP *node)"
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.RI "\fBstatic\fP \fBvoid\fP \fBgetPrimitiveCountS\fP (\fBSoAction\fP *action, \fBSoNode\fP *node)"
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Static Public Member Functions inherited from \fBSoFieldContainer\fP
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.RI "\fBstatic\fP \fBvoid\fP \fBinitClass\fP (\fBvoid\fP)"
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.RI "Sets up initialization for data common to all instances of this class, like submitting necessary information to the Coin type system\&.   "
.ti -1c
.RI "\fBstatic\fP \fBSoType\fP \fBgetClassTypeId\fP (\fBvoid\fP)"
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.RI "This static method returns the \fBSoType\fP object associated with objects of this class\&.   "
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.RI "\fBstatic\fP \fBvoid\fP \fBcleanupClass\fP (\fBvoid\fP)"
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.RI "\fBstatic\fP \fBvoid\fP \fBinitCopyDict\fP (\fBvoid\fP)"
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.RI "\fBstatic\fP \fBvoid\fP \fBaddCopy\fP (\fBconst\fP \fBSoFieldContainer\fP *\fBorig\fP, \fBconst\fP \fBSoFieldContainer\fP *copy)"
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.RI "\fBstatic\fP \fBSoFieldContainer\fP * \fBcheckCopy\fP (\fBconst\fP \fBSoFieldContainer\fP *\fBorig\fP)"
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.RI "\fBstatic\fP \fBSoFieldContainer\fP * \fBfindCopy\fP (\fBconst\fP \fBSoFieldContainer\fP *\fBorig\fP, \fBconst\fP SbBool \fBcopyconnections\fP)"
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.RI "\fBstatic\fP \fBvoid\fP \fBcopyDone\fP (\fBvoid\fP)"
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Static Public Member Functions inherited from \fBSoBase\fP
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.RI "\fBstatic\fP \fBvoid\fP \fBinitClass\fP (\fBvoid\fP)"
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.RI "Sets up initialization for data common to all instances of this class, like submitting necessary information to the Coin type system\&. "
.ti -1c
.RI "\fBstatic\fP \fBSoType\fP \fBgetClassTypeId\fP (\fBvoid\fP)"
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.RI "This static method returns the \fBSoType\fP object associated with objects of this class\&. "
.ti -1c
.RI "\fBstatic\fP \fBvoid\fP \fBaddName\fP (\fBSoBase\fP *\fBconst\fP base, \fBconst\fP char *\fBconst\fP name)"
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.RI "\fBstatic\fP \fBvoid\fP \fBremoveName\fP (\fBSoBase\fP *\fBconst\fP base, \fBconst\fP char *\fBconst\fP name)"
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.RI "\fBstatic\fP \fBvoid\fP \fBincrementCurrentWriteCounter\fP (\fBvoid\fP)"
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.RI "\fBstatic\fP \fBvoid\fP \fBdecrementCurrentWriteCounter\fP (\fBvoid\fP)"
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.RI "\fBstatic\fP \fBSoBase\fP * \fBgetNamedBase\fP (\fBconst\fP \fBSbName\fP &name, \fBSoType\fP type)"
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.RI "\fBstatic\fP int \fBgetNamedBases\fP (\fBconst\fP \fBSbName\fP &name, \fBSoBaseList\fP &\fBbaselist\fP, \fBSoType\fP type)"
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.RI "\fBstatic\fP SbBool \fBread\fP (\fBSoInput\fP *input, \fBSoBase\fP *&base, \fBSoType\fP \fBexpectedtype\fP)"
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.RI "\fBstatic\fP \fBvoid\fP \fBsetInstancePrefix\fP (\fBconst\fP \fBSbString\fP &c)"
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.RI "\fBstatic\fP \fBvoid\fP \fBsetTraceRefs\fP (SbBool \fBtrace\fP)"
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.RI "\fBstatic\fP SbBool \fBgetTraceRefs\fP (\fBvoid\fP)"
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.RI "\fBstatic\fP SbBool \fBconnectRoute\fP (\fBSoInput\fP *input, \fBconst\fP \fBSbName\fP &\fBfromnodename\fP, \fBconst\fP \fBSbName\fP &\fBfromfieldname\fP, \fBconst\fP \fBSbName\fP &\fBtonodename\fP, \fBconst\fP \fBSbName\fP &\fBtofieldname\fP)"
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.RI "\fBstatic\fP SbBool \fBreadRoute\fP (\fBSoInput\fP *input)"
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.SS "Public Attributes"

.in +1c
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.RI "\fBSoMFEnum\fP \fBrgbSource\fP"
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.RI "\fBSoMFEnum\fP \fBalphaSource\fP"
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.RI "\fBSoMFEnum\fP \fBrgbOperand\fP"
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.RI "\fBSoMFEnum\fP \fBalphaOperand\fP"
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.RI "\fBSoSFEnum\fP \fBrgbOperation\fP"
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.RI "\fBSoSFEnum\fP \fBalphaOperation\fP"
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.RI "\fBSoSFFloat\fP \fBrgbScale\fP"
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.RI "\fBSoSFFloat\fP \fBalphaScale\fP"
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.RI "\fBSoSFVec4f\fP \fBconstantColor\fP"
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.SS "Protected Member Functions"

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.RI "\fBvirtual\fP \fBconst\fP \fBSoFieldData\fP * \fBgetFieldData\fP (\fBvoid\fP) \fBconst\fP"
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.RI "\fBvirtual\fP \fB~SoTextureCombine\fP ()"
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Protected Member Functions inherited from \fBSoNode\fP
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.RI "\fBSoNode\fP (\fBvoid\fP)"
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.RI "\fBvirtual\fP \fB~SoNode\fP ()"
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.RI "\fBvirtual\fP SbBool \fBreadInstance\fP (\fBSoInput\fP *\fBin\fP, \fBunsigned\fP short flags)"
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Protected Member Functions inherited from \fBSoFieldContainer\fP
.in +1c
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.RI "\fBSoFieldContainer\fP (\fBvoid\fP)"
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.RI "\fBvirtual\fP \fB~SoFieldContainer\fP ()"
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.in -1c

Protected Member Functions inherited from \fBSoBase\fP
.in +1c
.ti -1c
.RI "\fBSoBase\fP (\fBvoid\fP)"
.br
.ti -1c
.RI "\fBvirtual\fP \fB~SoBase\fP ()"
.br
.ti -1c
.RI "\fBvirtual\fP \fBvoid\fP \fBdestroy\fP (\fBvoid\fP)"
.br
.ti -1c
.RI "SbBool \fBhasMultipleWriteRefs\fP (\fBvoid\fP) \fBconst\fP"
.br
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.RI "SbBool \fBwriteHeader\fP (\fBSoOutput\fP *\fBout\fP, SbBool \fBisgroup\fP, SbBool \fBisengine\fP) \fBconst\fP"
.br
.ti -1c
.RI "\fBvoid\fP \fBwriteFooter\fP (\fBSoOutput\fP *\fBout\fP) \fBconst\fP"
.br
.ti -1c
.RI "\fBvirtual\fP \fBconst\fP char * \fBgetFileFormatName\fP (\fBvoid\fP) \fBconst\fP"
.br
.ti -1c
.RI "\fBvirtual\fP \fBSoNotRec\fP \fBcreateNotRec\fP (\fBvoid\fP)"
.br
.in -1c
.SS "Static Protected Member Functions"

.in +1c
.ti -1c
.RI "\fBstatic\fP \fBconst\fP \fBSoFieldData\fP ** \fBgetFieldDataPtr\fP (\fBvoid\fP)"
.br
.in -1c

Static Protected Member Functions inherited from \fBSoNode\fP
.in +1c
.ti -1c
.RI "\fBstatic\fP \fBconst\fP \fBSoFieldData\fP ** \fBgetFieldDataPtr\fP (\fBvoid\fP)"
.br
.ti -1c
.RI "\fBstatic\fP \fBvoid\fP \fBsetNextActionMethodIndex\fP (int index)"
.br
.ti -1c
.RI "\fBstatic\fP int \fBgetNextActionMethodIndex\fP (\fBvoid\fP)"
.br
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.RI "\fBstatic\fP \fBvoid\fP \fBincNextActionMethodIndex\fP (\fBvoid\fP)"
.br
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.RI "\fBstatic\fP \fBvoid\fP \fBsetCompatibilityTypes\fP (\fBconst\fP \fBSoType\fP &nodetype, \fBconst\fP uint32_t \fBbitmask\fP)"
.br
.in -1c

Static Protected Member Functions inherited from \fBSoBase\fP
.in +1c
.ti -1c
.RI "\fBstatic\fP uint32_t \fBgetCurrentWriteCounter\fP (\fBvoid\fP)"
.br
.ti -1c
.RI "\fBstatic\fP \fBvoid\fP \fBstaticDataLock\fP (\fBvoid\fP)"
.br
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.RI "\fBstatic\fP \fBvoid\fP \fBstaticDataUnlock\fP (\fBvoid\fP)"
.br
.in -1c
.SS "Additional Inherited Members"


Protected Types inherited from \fBSoBase\fP
.in +1c
.ti -1c
.RI "enum \fBBaseFlags\fP { \fBIS_ENGINE\fP = 0x01, \fBIS_GROUP\fP = 0x02 }"
.br
.in -1c

Protected Attributes inherited from \fBSoNode\fP
.in +1c
.ti -1c
.RI "SbUniqueId \fBuniqueId\fP"
.br
.in -1c

Protected Attributes inherited from \fBSoFieldContainer\fP
.in +1c
.ti -1c
.RI "SbBool \fBisBuiltIn\fP"
.br
.in -1c

Static Protected Attributes inherited from \fBSoNode\fP
.in +1c
.ti -1c
.RI "\fBstatic\fP SbUniqueId \fBnextUniqueId\fP = 1"
.br
.ti -1c
.RI "\fBstatic\fP int \fBnextActionMethodIndex\fP = 0"
.br
.in -1c
.SH "Detailed Description"
.PP 
The \fBSoTextureCombine\fP class is a node for setting texture combine functions\&. 

This node is more or less an exact mapping of the OpenGL ARB_texture_env_combine extension (included in OpenGL in OpenGL \fBv1\&.3\fP)\&. See http://oss.sgi.com/projects/ogl-sample/registry/ARB/texture_env_combine.txt for more information about this extension\&.
.PP
Basically this node lets you specify up to three sources, and a function to combine those sources\&. In addition to the function, it is possible to apply simple operands on the sources\&. In the documentation below, the sources will be called Arg0, Arg1, and Arg2, just like in the ARB_texture_env_mode specification\&.
.PP
It's possible to specify both a color and an alpha operation\&.
.PP
This node has many fields, but usually it is sufficient to set only one or very few fields\&. The selected operation decides which values you need to set\&. One common example is to add a light map to textured geometry\&. A light map can look like this:
.PP
  
.PP
The example below just shows how to apply the light map to a cube, with one light source on each side of the cube\&. Usually the texture coordinates are calculated so that a spot light or a point light is simulated\&.
.PP
.PP
.nf
Texture2 { filename 'wood\&.jpg' }

Switch {
  whichChild -3   # use to toggle light map on/off
  TextureUnit {
    unit 1
  }
  TextureCombine {
    rgbOperation ADD_SIGNED
    rgbSource [PREVIOUS, TEXTURE]
    rgbOperand [SRC_COLOR, SRC_COLOR ]
    alphaOperation REPLACE
    alphaSource [TEXTURE]
    alphaOperand [SRC_ALPHA]
  }
  Texture2 { filename 'lightmap\&.jpg' }
  TextureUnit { unit 0 }
}
Cube { }.fi
.PP
.PP
The scene above in a viewer:
.PP
  
.PP
In addition to the functions you can set in rgbOperation (or alphaOperation), it's possible to create more complex texture functions by combining two textures that have already been combined\&. You can use the \fBSoSceneTexture2\fP node to create those textures\&. Below is an example that shows how to implement Arg0*Arg1
.IP "\(bu" 2
Arg2*Arg0, where Arg0 = texture1 RGB, Arg1 = texture2 RGB, Arg2 = texture 2 alpha:
.PP
.PP
.PP
.nf
ShapeHints { vertexOrdering COUNTERCLOCKWISE shapeType SOLID }

Separator {
  SceneTexture2 {
    size 256 256
    transparencyFunction NONE
    scene Separator {
      OrthographicCamera {
        height 2
        aspectRatio 1
        position 0 0 1
        viewportMapping LEAVE_ALONE
      }
      LightModel { model BASE_COLOR }
      Coordinate3 {
        point [ -1 -1 0, 1 -1 0, 1 1 0, -1 1 0 ] 
      }
      DEF texture1 Texture2 { filename 'texture1\&.png' }
      TextureUnit { unit 1 }
      TextureCombine {
        rgbOperation MODULATE
        rgbSource [ PREVIOUS, TEXTURE ]
        rgbOperand [ SRC_COLOR, SRC_COLOR ]
        alphaOperation REPLACE
        alphaSource [TEXTURE]
        alphaOperand [ SRC_ALPHA ]
      }
      DEF texture2 Texture2 { filename 'texture2_with_alpha\&.png' }
      TextureCoordinate2 {
        point [0 0, 1 0, 1 1, 0 1]
      }
      FaceSet { numVertices 4 }
    }
  }
  TextureUnit { unit 1 }
  TextureCombine {
    rgbOperation ADD
    rgbSource [ PREVIOUS, TEXTURE ]
    rgbOperand [ SRC_COLOR, SRC_COLOR ]
    alphaOperation REPLACE
    alphaSource [TEXTURE]
    alphaOperand [ SRC_ALPHA ]
  }
  SceneTexture2 {
    size 256 256
    transparencyFunction NONE
    scene Separator {
      OrthographicCamera {
        height 2
        aspectRatio 1
        position 0 0 1
        viewportMapping LEAVE_ALONE
      }
      LightModel { model BASE_COLOR }
      Coordinate3 {
        point [ -1 -1 0, 1 -1 0, 1 1 0, -1 1 0 ] 
      }
      USE texture1
      TextureUnit { unit 1 }
      TextureCombine {
        rgbOperation MODULATE
        rgbSource [ PREVIOUS, TEXTURE ]
        rgbOperand [ SRC_COLOR, SRC_ALPHA ]
        alphaOperation REPLACE
        alphaSource [TEXTURE]
        alphaOperand [ SRC_ALPHA ]
      }
      USE texture2
      TextureCoordinate2 {
        point [0 0, 1 0, 1 1, 0 1]
      }
      FaceSet { numVertices 4 }
    }
  }
  # map resulting texture onto a Cube
  Cube { }
}
.fi
.PP
.PP
It should be possible to create almost any kind of texture function using this scheme, at the cost of extra texture memory usage (the intermediate textures), of course\&.
.PP
\fBFILE FORMAT/DEFAULTS:\fP 
.PP
.nf
TextureCombine {
    rgbSource [  ]
    alphaSource [  ]
    rgbOperand [  ]
    alphaOperand [  ]
    rgbOperation MODULATE
    alphaOperation MODULATE
    rgbScale 1
    alphaScale 1
    constantColor 1 1 1 1
}

.fi
.PP
.PP
\fBSince\fP
.RS 4
Coin \fB2\&.3\fP 
.RE
.PP

.SH "Member Enumeration Documentation"
.PP 
.SS "\fBenum\fP \fBSoTextureCombine::Source\fP"
For enumerating combiner sources\&. 
.PP
\fBEnumerator\fP
.in +1c
.TP
\fB\fIPRIMARY_COLOR \fP\fP
Choose primary color as source\&. 
.TP
\fB\fITEXTURE \fP\fP
Choose texture as source\&. 
.TP
\fB\fICONSTANT \fP\fP
Choose the constantColor field as source\&. 
.TP
\fB\fIPREVIOUS \fP\fP
Choose the previous unit's texture as source\&. 
.SS "\fBenum\fP \fBSoTextureCombine::Operand\fP"
For enumerating source operands\&. 
.PP
\fBEnumerator\fP
.in +1c
.TP
\fB\fISRC_COLOR \fP\fP
Use the source color as operand\&. 
.TP
\fB\fIONE_MINUS_SRC_COLOR \fP\fP
Use one minus source color as operand\&. 
.TP
\fB\fISRC_ALPHA \fP\fP
Use the source alpha as operand\&. 
.TP
\fB\fIONE_MINUS_SRC_ALPHA \fP\fP
Use one minus source alpha as operand\&. 
.SS "\fBenum\fP \fBSoTextureCombine::Operation\fP"
For enumerating combiner operations/functions\&. 
.PP
\fBEnumerator\fP
.in +1c
.TP
\fB\fIREPLACE \fP\fP
dst = Arg0 
.TP
\fB\fIMODULATE \fP\fP
dst = Arg0 * Arg1 
.TP
\fB\fIADD \fP\fP
dst = Arg0 + Arg1 
.TP
\fB\fIADD_SIGNED \fP\fP
dst = Arg0 + Arg1 - \fB0\&.5\fP 
.TP
\fB\fISUBTRACT \fP\fP
dst = Arg0 - Arg1 
.TP
\fB\fIINTERPOLATE \fP\fP
dst = Arg0 * (Arg2) + Arg1 * (1-Arg2) 
.TP
\fB\fIDOT3_RGB \fP\fP
Dot product of Arg0 and Arg1 
.TP
\fB\fIDOT3_RGBA \fP\fP
Dot product (including alpha) of Arg0 and Arg1 
.SH "Constructor & Destructor Documentation"
.PP 
.SS "SoTextureCombine::SoTextureCombine (\fBvoid\fP)"
Constructor\&. 
.SS "SoTextureCombine::~SoTextureCombine ()\fC [protected]\fP, \fC [virtual]\fP"
Destructor\&. 
.SH "Member Function Documentation"
.PP 
.SS "\fBSoType\fP SoTextureCombine::getClassTypeId (\fBvoid\fP)\fC [static]\fP"
SoTextureCombine::rgbSource
.PP
The color sources\&. This field is empty by default, but you can insert up to three values [Arg0, Arg1, Arg2]\&. When the field contains less than three values, the default [TEXTURE, PREVIOUS, CONSTANT], will be used for missing values\&.
.PP
For texture unit 0, PREVIOUS maps to PRIMARY_COLOR,
.PP
SoTextureCombine::alphaSource
.PP
The alpha sources\&. This field is empty by default, but you can insert up to three values [Arg0, Arg1, Arg2]\&. When the field contains less than three values, the default [TEXTURE, PREVIOUS, CONSTANT], will be used for missing values\&.
.PP
For texture unit 0, PREVIOUS maps to PRIMARY_COLOR,
.PP
SoTextureCombine::rgbOperand
.PP
The color operands\&. This field is empty by default, but you can insert up to three values\&. When the field contains less than three values, the default [SRC_COLOR, SRC_COLOR, SRC_COLOR] will be used for missing values\&.
.PP
SoTextureCombine::alphaOperand
.PP
The alpha operands\&. This field is empty by default, but you can insert up to three values\&. When the field contains less than three values, the default [SRC_ALPHA, SRC_ALPHA, SRC_ALPHA] will be used for missing values\&. Please not that only SRC_ALPHA and ONE_MINUS_SRC_ALPHA are valid operands for alpha operations\&.
.PP
SoTextureCombine::rgbOperation
.PP
The color operation\&. Default value is MODULATE\&.
.PP
SoTextureCombine::alphaOperation
.PP
The alpha operation\&. Default value is MODULATE\&.
.PP
SoTextureCombine::rgbScale
.PP
Scale color result by this value\&. Supported values are 1, 2, and 4\&.
.PP
SoTextureCombine::alphaScale
.PP
Scale alpha result by this value\&. Supported values are 1, 2, and 4\&.
.PP
SoTextureCombine::constantColor
.PP
The constant color (when CONSTANT is used as source)\&. Default value is (1,1,1,1)\&.
.PP
This static method returns the \fBSoType\fP object associated with objects of this class\&. 
.br
 
.SS "\fBSoType\fP SoTextureCombine::getTypeId (\fBvoid\fP) const\fC [virtual]\fP"
Returns the type identification of an object derived from a class inheriting \fBSoBase\fP\&. This is used for runtime type checking and 'downward' casting\&. 
.br
 
.PP
Implements \fBSoBase\fP\&.
.SS "\fBconst\fP \fBSoFieldData\fP ** SoTextureCombine::getFieldDataPtr (\fBvoid\fP)\fC [static]\fP, \fC [protected]\fP"
\fIThis API member is considered internal to the library, as it is not likely to be of interest to the application programmer\&.\fP
.br

.br
 Returns the \fBSoFieldData\fP class which holds information about fields in this node\&. 
.br
 
.SS "\fBconst\fP \fBSoFieldData\fP * SoTextureCombine::getFieldData (\fBvoid\fP) const\fC [protected]\fP, \fC [virtual]\fP"
Returns a pointer to the class-wide field data storage object for this instance\&. If no fields are present, returns \fCNULL\fP\&. 
.PP
Reimplemented from \fBSoFieldContainer\fP\&.
.SS "\fBvoid\fP SoTextureCombine::doAction (\fBSoAction\fP * action)\fC [virtual]\fP"
This function performs the typical operation of a node for any action\&. 
.PP
Reimplemented from \fBSoNode\fP\&.
.SS "\fBvoid\fP SoTextureCombine::callback (\fBSoCallbackAction\fP * action)\fC [virtual]\fP"
Action method for \fBSoCallbackAction\fP\&.
.PP
Simply updates the state according to how the node behaves for the render action, so the application programmer can use the \fBSoCallbackAction\fP for extracting information about the scene graph\&. 
.PP
Reimplemented from \fBSoNode\fP\&.
.SS "\fBvoid\fP SoTextureCombine::GLRender (\fBSoGLRenderAction\fP * action)\fC [virtual]\fP"
Action method for the \fBSoGLRenderAction\fP\&.
.PP
This is called during rendering traversals\&. Nodes influencing the rendering state in any way or want to throw geometry primitives at OpenGL override this method\&. 
.PP
Reimplemented from \fBSoNode\fP\&.
.SS "\fBvoid\fP SoTextureCombine::pick (\fBSoPickAction\fP * action)\fC [virtual]\fP"
Action method for \fBSoPickAction\fP\&.
.PP
Does common processing for \fBSoPickAction\fP \fIaction\fP instances\&. 
.PP
Reimplemented from \fBSoNode\fP\&.

.SH "Author"
.PP 
Generated automatically by Doxygen for Coin from the source code\&.